TWI354095B - - Google Patents

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Publication number
TWI354095B
TWI354095B TW097109302A TW97109302A TWI354095B TW I354095 B TWI354095 B TW I354095B TW 097109302 A TW097109302 A TW 097109302A TW 97109302 A TW97109302 A TW 97109302A TW I354095 B TWI354095 B TW I354095B
Authority
TW
Taiwan
Prior art keywords
circular
curve
teeth
rotor
pair
Prior art date
Application number
TW097109302A
Other languages
English (en)
Chinese (zh)
Other versions
TW200933126A (en
Inventor
Seigo Ono
Katsuichi Uchida
Original Assignee
Oval Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oval Corp filed Critical Oval Corp
Publication of TW200933126A publication Critical patent/TW200933126A/zh
Application granted granted Critical
Publication of TWI354095B publication Critical patent/TWI354095B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
    • G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
    • G01F3/04—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls
    • G01F3/06—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing
    • G01F3/10—Geared or lobed impeller meters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Rotary Pumps (AREA)
TW097109302A 2008-01-24 2008-03-17 Positive displacement flowmeter TW200933126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008013529A JP4203531B1 (ja) 2008-01-24 2008-01-24 容積流量計

Publications (2)

Publication Number Publication Date
TW200933126A TW200933126A (en) 2009-08-01
TWI354095B true TWI354095B (2) 2011-12-11

Family

ID=40325644

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097109302A TW200933126A (en) 2008-01-24 2008-03-17 Positive displacement flowmeter

Country Status (7)

Country Link
US (1) US7870785B2 (2)
EP (1) EP2241865A1 (2)
JP (1) JP4203531B1 (2)
KR (1) KR101190388B1 (2)
CN (1) CN101925803B (2)
TW (1) TW200933126A (2)
WO (1) WO2009093342A1 (2)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4599454B1 (ja) * 2009-09-07 2010-12-15 株式会社オーバル 容積式気液二相流量計及び多相流量計測システム
KR102160400B1 (ko) 2019-05-28 2020-10-05 한국생산기술연구원 압력 맥동 저감을 위한 용적식 수차

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5769211A (en) * 1980-10-17 1982-04-27 Akitoshi Kitano Flowmeter for suspension
JPS60166775A (ja) * 1984-02-09 1985-08-30 Kinmon Seisakusho:Kk 非円形歯車
JPH0676901B2 (ja) * 1987-02-04 1994-09-28 愛知時計電機株式会社 流量計用回転子の製造方法
JPH01191019A (ja) * 1988-01-26 1989-08-01 Akitoshi Kitano 流量計の器差補正方法
JP3620997B2 (ja) * 1999-06-09 2005-02-16 株式会社オーバル 非円形歯車の改良及びそれを用いた非円形歯車式流量計
JP3310239B2 (ja) 1999-07-14 2002-08-05 株式会社オーバル ヘリカルギヤ式容積流量計

Also Published As

Publication number Publication date
EP2241865A1 (en) 2010-10-20
JP4203531B1 (ja) 2009-01-07
TW200933126A (en) 2009-08-01
CN101925803A (zh) 2010-12-22
KR101190388B1 (ko) 2012-10-11
KR20100101704A (ko) 2010-09-17
US20100281970A1 (en) 2010-11-11
JP2009174986A (ja) 2009-08-06
US7870785B2 (en) 2011-01-18
WO2009093342A1 (ja) 2009-07-30
CN101925803B (zh) 2012-07-04

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees